From 53d63e6b0dfb95882ec0219ba6bbd50cde423794 Mon Sep 17 00:00:00 2001
From: Jens Axboe <jaxboe@fusionio.com>
Date: Wed, 30 Mar 2011 13:27:09 +0200
Subject: [PATCH] block: make the flush insertion use the tail of the dispatch
list
It's not a preempt type request, in fact we have to insert it
behind requests that do specify INSERT_FRONT.
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
---
block/blk-flush.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/block/blk-flush.c b/block/blk-flush.c
index d6275cbbaf355..eba4a2790c6c4 100644
--- a/block/blk-flush.c
+++ b/block/blk-flush.c
@@ -261,7 +261,7 @@ static bool blk_kick_flush(struct request_queue *q)
q->flush_rq.end_io = flush_end_io;
q->flush_pending_idx ^= 1;
- __elv_add_request(q, &q->flush_rq, ELEVATOR_INSERT_REQUEUE);
+ list_add_tail(&q->flush_rq.queuelist, &q->queue_head);
return true;
}
@@ -312,7 +312,7 @@ void blk_insert_flush(struct request *rq)
*/
if ((policy & REQ_FSEQ_DATA) &&
!(policy & (REQ_FSEQ_PREFLUSH | REQ_FSEQ_POSTFLUSH))) {
- list_add(&rq->queuelist, &q->queue_head);
+ list_add_tail(&rq->queuelist, &q->queue_head);
return;
}
--
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